Tai Guo, Yichun Dai, Fangyu Xu, Yongfang Luo, Ji Chen, Zhenyu Jin. Effects of In-Plane Displacement on Primary Mirror Control of Chinese Giant Solar Telescope[J]. Acta Optica Sinica, 2017, 37(12): 1222002
- Acta Optica Sinica
- Vol. 37, Issue 12, 1222002 (2017)
Fig. 1. Schematic of the primary mirror of 8m-RST and coordinate system. (a) Top view; (b) front view
Fig. 2. Layout schematic of actuators and sensors (top view)
Fig. 3. Block diagram of traditional 8m-RST primary mirror control model
Fig. 4. Two undetectable modes. (a) Axial shift of primary mirror; (b) focus mode
Fig. 5. Effect of in-plane displacement on relative height difference of edge sensors (front view)
Fig. 6. Effect of in-plane displacement on reading of optical sensors (front view)
Fig. 7. Model graph with consideration of in-plane displacement
Fig. 8. Schematic of gap sensor and shear sensor (top view)
Fig. 9. Improved model of 8m-RST primary control system
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